Module Pdftext

module Pdftext: sig .. end

Parsing Fonts and Extracting Text - Text extraction incomplete.

Data Types

type type3_glpyhs = {

	`fontbbox :float * float * float * float;`
	`fontmatrix :Transform.transform_matrix;`
	`charprocs :(string * Pdf.pdfobject) list;`
	`type3_resources :Pdf.pdfobject;`

}

type simple_fonttype =

type fontmetrics = float array

type fontfile =

type fontdescriptor = {

}

type differences = (string * int) list

type encoding =

`\|`	`ImplicitInFontFile`
`\|`	`StandardEncoding`
`\|`	`MacRomanEncoding`
`\|`	`WinAnsiEncoding`
`\|`	`MacExpertEncoding`
`\|`	`CustomEncoding of encoding * differences`
`\|`	`FillUndefinedWithStandard of encoding`

type simple_font = {

	`fonttype :simple_fonttype;`
	`basefont :string;`
	`fontmetrics :fontmetrics option;`
	`fontdescriptor :fontdescriptor option;`
	`encoding :encoding;`

}

type standard_font =

val string_of_standard_font : standard_font -> string

val standard_font_of_name : string -> standard_font option

type cid_system_info = {

}

type composite_CIDfont = {

	`cid_system_info :cid_system_info;`
	`cid_basefont :string;`
	`cid_fontdescriptor :fontdescriptor;`
	`cid_widths :(int * float) list;`
	`cid_default_width :int;`

}

type cmap_encoding =

`\|`	`Predefined of string`
`\|`	`CMap of int`

type font =

`\|`	`StandardFont of standard_font * encoding`
`\|`	`SimpleFont of simple_font`
`\|`	`CIDKeyedFont of string * composite_CIDfont * cmap_encoding`

val read_font : Pdf.pdfdoc -> Pdf.pdfobject -> font

Read a font from a given document and object

type text_extractor

The type of text extractors.

val text_extractor_of_font : Pdf.pdfdoc -> Pdf.pdfobject -> text_extractor

Build a text extractor from a document and font object

val codepoints_of_text : text_extractor -> string -> int list

Return a list of unicode points from a given extractor and string (for example from a Pdfpages.Op_Tj or Op_TJ operator).

val utf16be_of_text : text_extractor -> string -> string

Same, but return UTF16BE

val utf16be_of_codepoints : int list -> string

Return UTF16BE from a list of codepoints.

val latin1_string_of_text : text_extractor -> string -> string

Same, but return Latin1 (Lossy)

val decode_char : encoding -> char -> char

Decode a single character code in a standard font

val decode_type3_char : encoding -> char -> string

Decode a single character code in a type3 font to a glyph name

val codepoints_of_textstring : string -> int list

Read the codepoints in a PDF text string, unicode or PDFDocEncoding.

val string_of_font : font -> string

Debug string